Detection of buried dielectric cavities using the finite-difference time-domain method in conjunction with signal processing techniques.

We address the problem of detecting low-dielectric contrast cavities buried deep in a lossy ground by using the finite-difference time-domain (FDTD) method in conjunction with signal processing techniques for extrapolation and object identification. It is well known that very low frequency probing i...

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Detalles Bibliográficos
Publicado en:	IEEE Transactions on antennas and propagation 48, 9 (2000).
Autor principal:	Ji-Fu Ma
Formato:	Artículo
Lenguaje:	inglés
Materias:	FDTD method. Buried dielectric cavities detection. Buried prism. Depth estimation. Electromagnetic waves. Extrapolation. Finite-difference time-domain method. Forward problem. Hybrid approach. Inverse scattering problem. Lossy ground. Low-dielectric contrast cavities. Measured field. Neural networks. Numerical modeling. Object identification. Operating frequency. Rational function approximation. Signal processing. Very low frequency probing.